5km outside the small village of Albarracìn, Spain lies a vast field of boulders. Here, climbers from around the world gather to play, protected by dense rows of pines. Up and down, in and out, around and around they scramble. With over 2,000 problems from V0-V14, everyone can have their fun. When Jon Glassberg and Paige Claassen dive into the magical forest, strange things start happening.